Red Blood Cells vs Typical Body Cells: Understanding the Key Differences

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Explore the unique characteristics of red blood cells in comparison to typical body cells, delving into their distinct functionalities and structures. Test your knowledge with interactive quizzes on blood cells and heartbeat control. Are you ready for the challenge?

  • Blood Cells
  • Human Body
  • Comparison
  • Quiz
  • Heartbeat

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  1. 3.2.3.H Blood Cells 3.2.4.H Heartbeat Control Follow-Me iQuiz

  2. Q. True or False. A nucleus is absent from human red blood cells. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  3. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  4. Q. State two ways in which red blood cells differ from typical body cells e.g. from the cheek lining. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  5. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  6. Q. Name a group of white blood cells, other than lymphocytes. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  7. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  8. Q. State a precise location in the human body at which red blood cells are made. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  9. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  10. Q. Cardiac muscle may be described as a contractile tissue. Explain the meaning of the underlined term. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  11. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  12. Q. True or False. The sino-atrial node (pacemaker) is located on the right side of the heart. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  13. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  14. Q. What is the role of the SA (sinoatrial) and AV (atrioventricular) nodes in the heart? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  15. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  16. Q. Give any two functions of the lymphatic system. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  17. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  18. Q. Mention two ways to maintain a healthy heart. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  20. Q. Name the blood vessels that supply the heart cells with blood. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  22. Q. What causes the sound of a heartbeat? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  24. Q. Name the structure in the heart that controls the heartbeat. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  26. Q. Some people may have the blood group B Positive (B+).What factor is present in their blood that makes it positive? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  27. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  28. Q. Where in the body are white blood cells produced? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  30. Q. Blood is made up of plasma and blood cells. What is plasma? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  32. Q. Where is the pacemaker located in the heart? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  34. Q. What is the function of white blood cells? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  36. Q. Give the precise location of the SA node in the heart. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  38. Q. What is the role of valves in the heart? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  40. Q. Name the blood vessel that brings blood from the heart to the body. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  42. Q. Give two factors which cause an increase in heart rate. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

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  44. Q. Give the precise locations of the AV node in the heart. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  45. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  46. Q. What structure(s) protects the heart? Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  47. CONGRATULATIONS Please CLICK on THIS BOX for the Next Question Please CLICK on THIS BOX for the Next Question

  48. Q. Name the valve between the upper and lower chambers on the left-hand side. Phagocytic (white cells); Monocytes Aorta Phagocytic (white cells); Monocytes Aorta FALSE FALSE Prevent backflow of blood Bicuspid (mitral) valve Prevent backflow of blood Bicuspid (mitral) valve Fight disease Fight disease Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow Returns fluid to blood; Transport; Lymphocytes (Immunity) Bone marrow In septum; Near tricuspid valve; Between atrium and ventricle In septum; Near tricuspid valve; Between atrium and ventricle Can shorten Rhesus Can shorten Rhesus Liquid part of blood Liquid part of blood Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Causes contraction of heart muscle; Impulse generation; Pacemaker Rib cage Marrow of long bones Marrow of long bones Coronary or Cardiac arteries Right atrium wall Coronary or Cardiac arteries Right atrium wall No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 No nucleus; Haemoglobin; Shape; Size; No mitochondria; Carries O2 or CO2 Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke Eat less fat; Exercise regularly; Avoid excess stress; Eat less salt; Don t smoke TRUE TRUE Pacemaker Pacemaker Exercise; Anxiety; Drugs; Infection Valves closing Exercise; Anxiety; Drugs; Infection Valves closing

  49. CONGRATULATIONS You re Brilliant

  50. Incorrect Please CLICK on THIS BOX to Try Again Please CLICK on THIS BOX to Try Again

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